senior branch failed to leave legitimate male issue. Thomas Butler, Viscount Thurles, son of the 11th Earl who predeceased his father. James Butler, 1st Duke of Ormonde, heir of Thomas, grandson of the 11th earl. Thomas Butler, 6th Earl of Ossory, son of the 1st Duke who predeceased his father. James Butler, 2nd Duke of Ormonde, son of the 6th Earl of Ossory and grandson of the 1st Duke. Charles Butler, 3rd Duke of Ormonde, younger son of the 6th Earl of Ossory. Richard Butler of Kilcash, son of Viscount Thurles and younger brother of James, the 1st Duke. Butlers of Garryricken This branch is an offshoot of the Kilcash branch. Garryricken is a townland in the barony of Kells, County Kilkenny. Notable family members Walter Butler of Garryricken, eldest son of Richard Butler of Kilcash, great-grandson of the 11th Earl. Colonel Thomas Butler of Garryricken, eldest son of Walter. John Butler, 15th Earl of Ormonde, son of Colonel Thomas, great-grand-nephew of the 1st Duke. He succeeded to the earldom (but not the dukedom) when the last member of senior Kilcash line, Charles, failed to produce a legitimate male heir. John Butler of Garryricken, second son of Walter and brother of Colonel Thomas, grand-nephew of the 1st Duke. Walter Butler, 16th Earl of Ormonde, son of John, great-great-great-grandson of the 11th Earl and the first cousin of the 15th Earl. Butlers of Duiske and Galmoye Duiske takes its name from Duiske Abbey in Graiguenamanagh, County Kilkenny. Galmoy is a village in the Barony of Galmoy, northwestern Kilkenny. This branch also sprang from the 9th Earl. His younger son was James Butler of Duiske. Notable family members James Butler of Duiske was awarded the Abbey lands upon the Dissolution of the Monasteries following the English Reformation. The lands eventually reverted to his uncle Thomas Butler, 10th Earl of Ormond. Piers FitzThomas Butler of Duiske, who was the illegitimate son of the 10th Earl. Edward Butler, 1st Viscount Galmoye, who was the son of Piers FitzThomas Butler. Piers Butler of Duiske, who was the eldest son of the 1st Viscount. Edward Butler, 2nd Viscount Galmoye, who was the grandson of the 1st Viscount. Piers Butler, 3rd Viscount Galmoye, who was the eldest son of the 2nd Viscount. He was attainted and had no living male heirs. Richard Butler of Galmoye, who was the second son of the 2nd Viscount. James Butler of